WSP is a globally-recognised professional services firm employing approximately 43,600 people. 

We welcomed 2,500 experts from eight different acquisitions in 2016, adding to existing expertise in our Americas, EMEIA and Asia Pacific operating regions, as well as establishing our presence in three new countries: Chile, Peru and Mexico. The largest team to join us was Mouchel Consulting, a 2,000-employee engineering consulting firm operating mainly in the UK and Ireland, with a presence in the Middle East.  In 2017, we acquired Opus, a 2855-strong engineering consulting firm with operations in Australia, New Zealand, the Pacific Islands, Middle East, United Kingdom as well as Canada and the USA.